1641860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2349820

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 439, 748, 878, 935, 1756, 1870, 2195, 3740, 4390, 4829, 7463, 8780, 9658, 14926, 19316, 24145, 29852, 37315, 48290, 74630, 82093, 96580, 149260, 164186, 328372, 410465, 820930, 1641860]

約数ペア:

[(1, 1641860), (2, 820930), (4, 410465), (5, 328372), (10, 164186), (11, 149260), (17, 96580), (20, 82093), (22, 74630), (34, 48290), (44, 37315), (55, 29852), (68, 24145), (85, 19316), (110, 14926), (170, 9658), (187, 8780), (220, 7463), (340, 4829), (374, 4390), (439, 3740), (748, 2195), (878, 1870), (935, 1756)]